I am interested in seeing the results of these hydrogen generators also, though have to admit at being extremely skeptical. I do fuel economy testing per SAE and other official standards at work on a regular basis and have yet to see any devices like that actually work..and I've seen all types.
I didn't look at the website, but what % improvement do they say you should expect? From personal experience 2-3% is realistic for an actual product that works, and 5% would make the inventor a rich man (a large trucking company would jump all over something that gave them 5% improvement in fuel economy as you could get in the millions of $$ saved in fuel annually). This is also assuming that any potential drawbacks of the device do not outweight the benefits.
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